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    • 49. 发明申请
    • APPARATUS AND METHOD FOR PLACING SPACERS IN AN EMISSIVE DISPLAY
    • 装置和方法,用于安置EMISSIVE显示器中的间隔
    • WO2006115670A3
    • 2008-10-09
    • PCT/US2006011082
    • 2006-03-27
    • MOTOROLA INCJOHNSON SCOTT VHAGEN CARL R
    • JOHNSON SCOTT VHAGEN CARL R
    • H01J9/00
    • H01J9/185
    • An apparatus (10) for, and method of, placing a plurality of spacers (12) between a parallel opposed anode and cathode (20) of an emissive display includes temporarily securing, by applying a vacuum for example, a first side of one of the anode or cathode to a base (14) having a plurality of electromagnets (16) positioned therein. The electromagnets (16) attract a first side of each of the plurality of spacers (12), thereby positioning each of the spacers (12) in a desired location on a second side of the one of the anode or cathode (20). The spacers (12) may be provided from a shuffling tray (40) having a plurality of openings (42), each opening (42) approximately aligned with one of the electromagnets (16) and shaped so as to present the first side to the electromagnet (16) to the one of the anode or cathode (20).
    • 在发射显示器的平行的相对的阳极和阴极(20)之间放置多个间隔物(12)的装置(10)和方法包括通过例如施加真空来暂时固定第一面 阳极或阴极到具有定位在其中的多个电磁体(16)的基座(14)。 电磁体(16)吸引多个间隔物(12)中的每一个的第一侧,从而将每个间隔物(12)定位在阳极或阴极(20)之一的第二侧上的所需位置。 间隔件(12)可以由具有多个开口(42)的混洗托盘(40)提供,每个开口(42)与一个电磁体(16)大致对齐,并且成形为将第一侧呈现在 电极(16)连接到阳极或阴极(20)中的一个。
    • 50. 发明申请
    • DISCHARGE OF A FIELD EMISSION DISPLAY BASED ON CHARGE ACCUMULATION
    • 基于电荷累积的场发射显示放电
    • WO2008024560A3
    • 2008-05-08
    • PCT/US2007072734
    • 2007-07-03
    • MOTOROLA INCJOHNSON SCOTT V
    • JOHNSON SCOTT V
    • G09G3/32
    • G09G3/22G09G2300/043
    • A field emission device (100) is provided for reducing power and audible noise during discharging of dielectric surfaces (137, 138). The field emission device (100) comprises an anode (122) and a first substrate (111) including a cathode plate (110) comprising a plurality of active display devices (114) and dielectric surfaces (137, 138). The plurality of active display devices (114) emit electrons (132) to strike the anode during a scanning mode, and emit electrons (135) to strike the dielectric surfaces (137, 138) during a discharge mode. At least one of a plurality of spacers (136) positioned between the anode (122) and the cathode plate (110) comprise a first sense electrode (142) positioned proximate to the anode (122), and a second sense electrode (144) positioned proximate to the cathode plate (110) and spaced apart from the first sense electrode (142). A circuit (222, 224, 226) for sensing a difference in charge between the first and second sense electrodes (142, 144) is coupled to the anode (122) and cathode plate (110) for alternately initiating the scanning mode and the discharge mode in response to the difference in charge reaching a threshold.
    • 提供场致发射装置(100),用于在电介质表面(137,138)的放电过程中降低功率和可听见的噪声。 场致发射器件(100)包括阳极(122)和第一衬底(111),第一衬底包括包括多个有源显示装置(114)和电介质表面(137,138)的阴极板(110)。 多个主动显示装置(114)在扫描模式期间发射电子(132)以撞击阳极,并且在放电模式期间发射电子(135)以撞击电介质表面(137,138)。 位于阳极(122)和阴极板(110)之间的多个间隔件(136)中的至少一个包括定位在阳极(122)附近的第一传感电极(142)和第二传感电极(144) 定位成靠近阴极板(110)并与第一传感电极(142)间隔开。 用于感测第一和第二感测电极(142,144)之间的电荷差的电路(222,224,226)被耦合到阳极(122)和阴极板(110),以交替地启动扫描模式和放电 模式以响应电荷差异达到阈值。